黄金科学技术  2012, Vol.20 Issue (4): 1-6  
胶东石英脉—蚀变岩型金矿床深部盲矿预测的构造叠加晕模型
中国冶金地质总局地球物理勘查院,河北  保定   071051
Structure Superimposed Halo Model of Deep Blind Ore Forecast for the Quartz Vein-Altered Rock Type Gold Deposits in East Shandong Province
Geophysical Exploration Academy of China Metallurgical Geology Bureau,Baoding   071051,Hebei,China

摘要

在研究胶东典型石英脉型、蚀变岩型金矿床深部盲矿预测构造叠加晕模型的基础上,总结其共性,建立了胶东石英脉型和蚀变岩型构造叠加晕理想模式,确定了盲矿预测的5条构造叠加晕准则。在研究预测中,先后对多个金矿进行跟踪研究,根据预测靶位见矿情况,总结不见矿靶位原因,修改完善预测模式和盲矿预测标志,并向矿床深部不断推进预测。构造叠加晕找盲矿法在理论和方法技术研究方面都取得了新的突破性进展,不仅完善和丰富了构造叠加晕找盲矿理论,方法技术不断完善和趋于成熟。应用各矿床构造叠加晕模式和盲矿预测标志对矿区深部进行预测,取得了显著的找矿效果。

Abstract

Based on the study of typical quartz vein type and structural superimposed halo model of blind ore prediction in deep altered rock type gold deposits of Shandong Province,the summarize of its common,we built the ideal structure superimposed halo model of quartz vein and altered rock type,determined five guidelines of blind ore forecast structural superimposed halo.During the prediction,we conducted the follow-up study of multiple gold targets,summaried the reasons of not see mine targets according to projections,revised and improved the forecasting models and the predict sign of blind mine,the forecast was continuously pushed forward into deep deposit.The method of looking for blind ore by structural superimposed halo achieved a new breakthrough both in the theory and methods technical research,not only improved the theory of the method,but also made the techniques more mature.There was a significant prospecting effect by using the method to forecast blind mine in deep deposits.
收稿日期:2012-05-12

引用本文

[中文]
李惠,禹斌,李德亮,马久菊,魏江,赵佳祥,孙凤舟,翟培,王俊,王晓,李上,张贺然. 胶东石英脉—蚀变岩型金矿床深部盲矿预测的构造叠加晕模型[J]. 黄金科学技术, 2012, 20(4): 1-6.
[英文]
LI Hui,YU Bin,LI Deliang,MA Jiuju,WEI Jiang,ZHAO Jiaxiang,SUN Fengzhou,ZHAI Pei,. Structure Superimposed Halo Model of Deep Blind Ore Forecast for the Quartz Vein-Altered Rock Type Gold Deposits in East Shandong Province[J]. Gold Science and Technology, 2012, 20(4): 1-6.
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图1    构造叠加晕法预测深度剖面图

图2  胶东热液金矿床不同成矿阶段元素组合沉淀演化模式

图3 金矿床轴(垂)向地球化学参数叠加结构的理想模型
A、B、C、D、E、F-金矿叠加成矿(晕)的叠加结构类型;①、②、③-不同阶段形成矿体;1-不同阶段形成矿体①、②、③叠加结构;2-地球化学参数的轴(垂)向变化规律:a、b-地球化学参数,a-前缘晕元素或为前缘晕元素(含量、累加、累乘)/尾晕元素(含量、累加、累乘);b-尾晕元素(含量、累加、累乘)/前缘晕元素或为前缘晕元素(含量、累加、累乘)

图4   石英脉型金矿床构造叠加晕剖面理想模式

图5   蚀变岩型金矿床构造叠加晕剖面理想模式

图6   侧伏矿体构造叠加晕在垂直纵投影的理想模式

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